diff --git a/bsp/ar71xx/.config b/bsp/ar71xx/.config
index 7df806ef78cffca8f355934a1e912f299f7af1f2..8a1600dc837fad357007e9da426a60e09041aabd 100644
--- a/bsp/ar71xx/.config
+++ b/bsp/ar71xx/.config
@@ -9,7 +9,6 @@ CONFIG_BUSYBOX_CUSTOM=y
 # CONFIG_BUSYBOX_CONFIG_CROND is not set
 # CONFIG_BUSYBOX_CONFIG_CRONTAB is not set
 # CONFIG_BUSYBOX_CONFIG_FEATURE_NTPD_SERVER is not set
-CONFIG_BUSYBOX_CONFIG_SHA256SUM=y
 CONFIG_CLEAN_IPKG=y
 # CONFIG_FASTD_ENABLE_CIPHER_SALSA2012 is not set
 # CONFIG_FASTD_ENABLE_MAC_GHASH is not set
diff --git a/bsp/archerc7/.config b/bsp/archerc7/.config
index 6bf9cdc23a5d05d965daf27a555d356bcf91117d..e86e8bf53e9bd9404f48a965d07e247e60a0f3f0 100644
--- a/bsp/archerc7/.config
+++ b/bsp/archerc7/.config
@@ -9,7 +9,6 @@ CONFIG_BUSYBOX_CUSTOM=y
 # CONFIG_BUSYBOX_CONFIG_CROND is not set
 # CONFIG_BUSYBOX_CONFIG_CRONTAB is not set
 # CONFIG_BUSYBOX_CONFIG_FEATURE_NTPD_SERVER is not set
-CONFIG_BUSYBOX_CONFIG_SHA256SUM=y
 CONFIG_CLEAN_IPKG=y
 # CONFIG_FASTD_ENABLE_CIPHER_SALSA2012 is not set
 # CONFIG_FASTD_ENABLE_MAC_GHASH is not set
diff --git a/bsp/wdr4900/.config b/bsp/wdr4900/.config
index 4a3518cb2639b985713df7dd2d634b46d6838d6f..f3e3b47aa70b941b2764f8a67c882e59b919bae3 100644
--- a/bsp/wdr4900/.config
+++ b/bsp/wdr4900/.config
@@ -9,7 +9,6 @@ CONFIG_BUSYBOX_CUSTOM=y
 # CONFIG_BUSYBOX_CONFIG_CROND is not set
 # CONFIG_BUSYBOX_CONFIG_CRONTAB is not set
 # CONFIG_BUSYBOX_CONFIG_FEATURE_NTPD_SERVER is not set
-CONFIG_BUSYBOX_CONFIG_SHA256SUM=y
 CONFIG_CLEAN_IPKG=y
 # CONFIG_FASTD_ENABLE_CIPHER_SALSA2012 is not set
 # CONFIG_FASTD_ENABLE_MAC_GHASH is not set